package jp.gr.java_conf.skrb.prefs;

import java.util.prefs.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;

public class PrefsGUISample3 extends PrefsGUISample1 {

    public PrefsGUISample3(){
        super();

        prefs.addPreferenceChangeListener(new PreferenceChangeListener(){
            public void preferenceChange(PreferenceChangeEvent event){
                String message = "Node: [" + event.getNode()
                               + "] Key: [" + event.getKey() 
                               + "] Value: [" + event.getNewValue() + "]";
                System.out.println(message);
            }
        });

        frame.addComponentListener(new ComponentAdapter(){
            public void componentMoved(ComponentEvent event){
                Rectangle rect = frame.getBounds();
                updateLocationX(rect.x);
                updateLocationY(rect.y);
            }

            public void componentResized(ComponentEvent event){
                Rectangle rect = frame.getBounds();
                updateWidth(rect.width);
                updateHeight(rect.height);
            }
        });
    }

    private void updateLocationX(int x){
        locationX = x;
        prefs.putInt(LOCATION_X, locationX);
        labelLocationX.setText(String.valueOf(locationX));
    }

    private void updateLocationY(int y){
        locationY = y;
        prefs.putInt(LOCATION_Y, locationY);
        labelLocationY.setText(String.valueOf(locationY));
    }

    private void updateWidth(int w){
        width = w;
        prefs.putInt(WIDTH, width);
        labelWidth.setText(String.valueOf(width));
    }

    private void updateHeight(int h){
        height = h;
        prefs.putInt(HEIGHT, height);
        labelHeight.setText(String.valueOf(height));
    }

    public static void main(String[] args){
        new PrefsGUISample3();
    }
}